/* =========================================================
   Fichaje — Design System
   ========================================================= */

/* --- Custom Properties ---------------------------------- */
:root {
  --color-primary:       #4F46E5;
  --color-primary-hover: #4338CA;
  --color-primary-light: #EEF2FF;

  --color-working: #059669;
  --color-working-bg: #D1FAE5;
  --color-break:   #D97706;
  --color-break-bg: #FEF3C7;
  --color-done:    #7C3AED;
  --color-done-bg: #EDE9FE;
  --color-idle:    #6B7280;
  --color-idle-bg: #F3F4F6;

  --color-danger:  #DC2626;
  --color-danger-hover: #B91C1C;

  --color-bg:      #F9FAFB;
  --color-surface: #FFFFFF;
  --color-border:  #E5E7EB;
  --color-text:    #111827;
  --color-muted:   #6B7280;

  --radius:    0.75rem;
  --radius-sm: 0.375rem;
  --shadow:    0 1px 3px 0 rgb(0 0 0 / .10), 0 1px 2px -1px rgb(0 0 0 / .10);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / .10), 0 2px 4px -2px rgb(0 0 0 / .10);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .10), 0 4px 6px -4px rgb(0 0 0 / .10);

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 150ms ease;
}

/* --- Reset ---------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100dvh;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* --- Layout --------------------------------------------- */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.topbar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.topbar__brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.topbar__brand svg { width: 1.5rem; height: 1.5rem; }

.topbar__right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar__user {
  font-size: 0.875rem;
  color: var(--color-muted);
}
.topbar__user strong { color: var(--color-text); }

.topbar__clock {
  font-size: 0.875rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  background: var(--color-bg);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.main-content {
  flex: 1;
  padding: 2rem 1.5rem;
  max-width: 72rem;
  width: 100%;
  margin: 0 auto;
}

/* --- Buttons -------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; pointer-events: none; }

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}
.btn--primary:hover { background: var(--color-primary-hover); }

.btn--success {
  background: var(--color-working);
  color: #fff;
}
.btn--success:hover { background: #047857; }

.btn--warning {
  background: var(--color-break);
  color: #fff;
}
.btn--warning:hover { background: #B45309; }

.btn--danger {
  background: var(--color-danger);
  color: #fff;
}
.btn--danger:hover { background: var(--color-danger-hover); }

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary-light); }

.btn--sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
}

.btn--icon {
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
}
.btn--icon:hover { background: var(--color-bg); color: var(--color-text); }

/* --- Cards ---------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.card__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* --- Status Badge --------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge::before {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: currentColor;
}

.badge--working  { color: var(--color-working); background: var(--color-working-bg); }
.badge--break    { color: var(--color-break);   background: var(--color-break-bg); }
.badge--done     { color: var(--color-done);    background: var(--color-done-bg); }
.badge--idle     { color: var(--color-idle);    background: var(--color-idle-bg); }

/* --- Dashboard Hero ------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6366F1 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow-md);
}

.hero__greeting {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.hero__date {
  font-size: 0.875rem;
  opacity: 0.85;
  margin-top: 0.25rem;
}

.hero__timer {
  text-align: center;
}
.hero__timer-value {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.hero__timer-label {
  font-size: 0.75rem;
  opacity: 0.8;
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Action Grid ---------------------------------------- */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.action-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition),
              transform var(--transition);
  box-shadow: var(--shadow);
}
.action-btn:hover:not(:disabled) {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-1px);
}
.action-btn:active { transform: scale(0.98); }
.action-btn:disabled { opacity: 0.4; pointer-events: none; }
.action-btn svg { width: 1.75rem; height: 1.75rem; }

.action-btn--checkin  svg { color: var(--color-working); }
.action-btn--break    svg { color: var(--color-break); }
.action-btn--checkout svg { color: var(--color-danger); }
.action-btn--resume   svg { color: var(--color-primary); }

/* --- Timeline ------------------------------------------- */
.timeline {
  list-style: none;
  position: relative;
  padding-left: 1.5rem;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0.4375rem;
  top: 0.5rem;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}
.timeline__item {
  position: relative;
  padding-bottom: 1rem;
  padding-left: 1rem;
}
.timeline__item::before {
  content: '';
  position: absolute;
  left: -1.5rem;
  top: 0.375rem;
  width: 0.625rem;
  height: 0.625rem;
  border-radius: 50%;
  background: var(--color-primary);
  border: 2px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-primary);
}
.timeline__time {
  font-size: 0.75rem;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
}
.timeline__label {
  font-size: 0.875rem;
  font-weight: 500;
}

/* --- Table ---------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
thead tr {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
thead th {
  padding: 0.75rem 1rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--color-border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--color-bg); }
tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
}

/* --- Tabs ----------------------------------------------- */
.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
}
.tab {
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tab:hover { color: var(--color-text); }
.tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: 600;
}

.tab-panel { display: none; }
.tab-panel--active { display: block; }

/* --- Modal ---------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / .45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay--open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 28rem;
  padding: 1.5rem;
  transform: scale(0.95);
  transition: transform var(--transition);
}
.modal-overlay--open .modal { transform: scale(1); }

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.modal__title {
  font-size: 1rem;
  font-weight: 700;
}
.modal__close {
  color: var(--color-muted);
  padding: 0.25rem;
}
.modal__close:hover { color: var(--color-text); }

.modal__field { margin-bottom: 1rem; }
.modal__label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  margin-bottom: 0.375rem;
}
.modal__input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.modal__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(79 70 229 / .15);
}
.modal__input[readonly] {
  background: var(--color-bg);
  color: var(--color-muted);
  cursor: not-allowed;
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* --- Login Page ----------------------------------------- */
.login-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, #EEF2FF 0%, #E0E7FF 100%);
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 22rem;
}

.login-card__logo {
  text-align: center;
  margin-bottom: 2rem;
}
.login-card__logo-icon {
  width: 3rem;
  height: 3rem;
  background: var(--color-primary);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}
.login-card__logo-icon svg { width: 1.75rem; height: 1.75rem; color: #fff; }
.login-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.login-card__subtitle {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

.form-group { margin-bottom: 1.125rem; }
.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.375rem;
}
.form-input {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(79 70 229 / .15);
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.alert--error {
  background: #FEF2F2;
  color: var(--color-danger);
  border: 1px solid #FECACA;
}

/* --- Stat Tiles ----------------------------------------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}
.stat-tile__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 0.375rem;
}
.stat-tile__value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}
.stat-tile__sub {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

/* --- Logout link ---------------------------------------- */
.logout-link {
  font-size: 0.875rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: color var(--transition);
}
.logout-link:hover { color: var(--color-danger); }

/* --- Filter row (admin date filter + export) ----------- */
.filter-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filter-form {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-wrap: wrap;
}

.filter-form__group {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.filter-form__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-muted);
  white-space: nowrap;
}

.filter-form__input {
  padding: 0.4375rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text);
  font-family: var(--font);
  background: var(--color-surface);
  transition: border-color var(--transition);
}
.filter-form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(79 70 229 / .15);
}

/* modal select */
select.modal__input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%236B7280' d='M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.625rem center;
  background-size: 1rem;
  padding-right: 2rem;
  cursor: pointer;
}

/* --- Responsive ----------------------------------------- */
@media (max-width: 640px) {
  .topbar { padding: 0 1rem; }
  .topbar__user { display: none; }
  .main-content { padding: 1rem; }
  .hero { padding: 1.25rem; }
  .hero__greeting { font-size: 1.25rem; }
  .hero__timer-value { font-size: 2.25rem; }
  .action-grid { grid-template-columns: repeat(2, 1fr); }
  .login-card { padding: 1.75rem 1.25rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
}